attractor

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attractor

[ə′trak·tər]
(physics)
A geometrical object toward which the trajectory of a dynamical system, represented by a curve in phase space, converges in the course of time.
References in periodicals archive ?
Black and green attracters, orange fizz, gold head damsel, black epoxy buzzer, grhe, silver invicta shipman's buzzer and hoppers are all taking fish.
Properly constructed compost piles fall well behind bird feeders, outdoor pet-food bowls, pet feces, and trash containers as rodent attracters. Adding food to your pile will make it somewhat more attractive to pests, but only if you manage scraps improperly--by dumping them on the top of a pile or bin, for example.
The old reliable jig-minnow setup and the minnow hard bait can be good fish attracters during the spawn and post-spawn conditions here in the Midwest.